Overview of 1419 signed zones:
709 -5 Entry Point
10 -1 broken chain
279 +44 chained
0 -26 new
421 -73 unreachable

Top 10 autonomous systems injecting DNSSec zones:
440 AS15725
385 -2 AS3265
70 AS3333
69 AS3245
68 AS3557
30 -1 AS25537
27 AS24776
23 AS39570
19 +19 AS22548
17 AS36810

Top 10 TLD containing DNSSec zones:
296 -60 NL
241 ARPA
219 -1 DE
204 -8 COM
70 SE
70 BG
62 -2 ORG
51 -2 NET
31 -1 RU
26 INFO

212 (-11) weak keys:
Top 10 autonomous systems injecting weak keys:
30 -1 AS25537
26 -1 AS24776
13 AS3216
12 AS7132
12 AS29632
7 AS20943
7 AS3265
5 AS8228
5 AS8683
4 AS546

10 (-1) broken DS chains:
17.32.198.in-addr.arpa, 42.32.198.in-addr.arpa, wesh.netsec.tislabs.com
badds.dnssec.jp, hostcount.ripe.net, k.ripe.net, ris.ripe.net, bitstring.se
xn--ihrn-dpa.se, xn--lda-ula.xn--ihrn-dpa.se

28 (+5) parent DS to unsigned zones:
228.111.193.in-addr.arpa, 98.227.193.in-addr.arpa, 128.111.89.in-addr.arpa
129.111.89.in-addr.arpa, 130.111.89.in-addr.arpa, 131.111.89.in-addr.arpa
132.111.89.in-addr.arpa, 133.111.89.in-addr.arpa, 134.111.89.in-addr.arpa
135.111.89.in-addr.arpa, 136.111.89.in-addr.arpa, 137.111.89.in-addr.arpa
138.111.89.in-addr.arpa, 139.111.89.in-addr.arpa, 140.111.89.in-addr.arpa
demo.netsec.tislabs.com, isles.netsec.tislabs.com, lindy.netsec.tislabs.com
mike.netsec.tislabs.com, robert.wesh.netsec.tislabs.com, orange.dnssec.jp
segdns.test.mx, ldap.trstech.net, klan-csa.se, nl-dnssectest.se, umdac.se
webro.se, a.smallzone.uk-dnssec.nic.uk

17 (+1) unnecessary islands:
64-26.0.149.193.in-addr.arpa, 0.68.193.in-addr.arpa
241.75.217.in-addr.arpa, 3.1.6.0.0.1.6.0.1.0.0.2.ip6.arpa
7.f.3.0.8.3.8.0.1.0.0.2.ip6.arpa, pixaco.com.br, badnxt.dnssec.jp
nods-ns.test.dnssec-tools.org, autonomica.se, cafax.se, echo-lan.se
hooden.se, nning.se, shinkuro.se, skabb.se, staver.se, zkt.se

421 (-73) unreachable zones:
Top 10 autonomous systems containing unreachable zones:
378 -2 AS3265
4 +2 AS10370
4 AS5537
1 +1 AS24776
1 +1 AS23342
1 +1 AS39570
1 +1 AS1273
1 +1 AS15083
1 +1 AS22548
1 +1 AS6245


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Detailed list: https://www.iks-jena.de/leistungen/dnssec.php